Beetroot Chocolate Cake

Beetroot chocolate cake is a tender, deeply chocolatey layer cake with a subtle earthy sweetness from roasted beets. The beets add moisture and natural sweetness while keeping the crumb soft without making it taste like vegetables. This is a cake that looks dramatic and tastes like pure chocolate.

Ingredients for Beetroot Chocolate Cake

Beets contribute moisture and earthiness while reducing the need for added liquid, butter and eggs create a rich, tender crumb, all-purpose flour provides structure, cocoa powder and dark chocolate deliver chocolate flavor and depth, sugar sweetens and helps the cake rise, baking soda and baking powder leaven it, salt balances the sweetness, vanilla extract rounds out the chocolate, and hot water blooms the cocoa and deepens the chocolate flavor.

Why This Beetroot Chocolate Cake Works

Roasted beets are naturally sweet and very moist, so they reduce the amount of oil or butter the cake needs while keeping the crumb from drying out. As the batter bakes, the beet juice mingles with the chocolate, making the chocolate taste richer and more complex than it would alone. The earthiness of the beets does not read as vegetable flavor because the cocoa and dark chocolate are much stronger.

The cake uses both baking soda and baking powder because the soda reacts with the acidity in the cocoa powder and chocolate, while the powder provides a second rise in the oven. This two-stage leavening keeps the cake from sinking in the middle and gives it an even, tender crumb. Hot water added at the end blooms the cocoa powder, letting it fully hydrate and intensify the chocolate flavor.

Mistakes To Avoid

Using beets that are too wet will make the batter soggy and the cake heavy and dense. If you use canned beets, drain them in a fine sieve and press them gently between paper towels to remove excess liquid. The cake will bake unevenly and may sink if the beet juice has not been removed.

Overmixing the batter after the flour goes in activates the gluten in the flour, which makes the cake tough and slightly rubbery. Mix only until the flour disappears into the wet ingredients, then stop. Overmixed cakes are dense and have a gritty or unpleasant texture that gets worse as they sit.

Baking the cake on the wrong oven rack or in the wrong pan size will cause uneven browning and affect how evenly it rises. Place the pan on the middle rack of a preheated oven, and use the pan size called for in the recipe. A pan that is too small will overflow. One that is too large will bake too fast and dry out.

Cutting the cake before it cools to room temperature causes it to crumble and fall apart because the crumb is still setting. Let the cake cool in the pan for 10 minutes, then turn it out onto a wire rack and let it cool completely. A warm cake will fall apart when you try to slice it, and the frosting will melt and slide off.

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Ingredients

• 1 pound fresh beets, roasted and cooled, or 1 can (15 ounces) beets, drained and blotted dry
• 6 ounces dark chocolate, chopped
• 1/2 cup unsweetened cocoa powder
• 3/4 cup (170 grams) unsalted butter, room temperature
• 1 1/2 cups (300 grams) granulated sugar
• 3 large eggs, room temperature
• 1 3/4 cups (220 grams) all-purpose flour
• 1 1/2 teaspoons baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 2 teaspoons vanilla extract
• 3/4 cup hot water

Step-by-step Instructions

1. Preheat the oven to 350°F (175°C). Grease and flour two 8-inch round cake pans, or line the bottoms with parchment paper.
2. Grate the roasted beets on the large holes of a box grater into a bowl. You should have about 2 cups of grated beets.
3. Chop the dark chocolate and place it in a medium bowl. Pour the hot water over the chocolate and let it sit for 1 minute, then whisk until the chocolate is melted and smooth.
4. Whisk the cocoa powder into the melted chocolate until no lumps remain. Set the bowl aside to cool for 5 minutes.
5. In a large bowl, beat the room-temperature butter and sugar on medium-high speed with an electric mixer for 2 to 3 minutes until light and fluffy and pale in color.
6. Add the eggs one at a time, beating on medium speed for about 30 seconds after each egg, until the mixture is smooth and well combined.
7. Beat in the vanilla extract. Pour in the cooled chocolate mixture and beat on medium speed for 1 to 2 minutes until combined.
8. In a small bowl, whisk together the flour, baking powder, baking soda, and salt. Add the dry ingredients to the wet ingredients and fold together with a spatula or wooden spoon, stirring just until no white streaks of flour remain.
9. Fold in the grated beets with a few gentle strokes. Divide the batter evenly between the two prepared pans.
10. Bake on the middle rack for 32 to 35 minutes, until a toothpick inserted in the center comes out with a few moist crumbs clinging to it. The tops should look set and spring back lightly when touched.
11. Let the cakes cool in the pans for 10 minutes. Turn them out onto a wire rack and let them cool to room temperature before frosting or serving, about 1 hour.